Effect of oxygen on decomposition of nitrous oxide over various metal oxide catalysts

被引：20
|
作者：
Satsuma, A [1 ]
Maeshima, H
Watanabe, K
Hattori, T
机构：
[1] Nagoya Univ, Grad Sch Engn, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Res Ctr Adv Waste & Emiss Management, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
ENERGY CONVERSION AND MANAGEMENT | 2001年 / 42卷 / 15-17期
关键词：
nitrous oxide; catalytic decomposition; effect of oxygen; metal oxide;
D O I：
10.1016/S0196-8904(01)00057-7
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The inhibitory effect of oxygen on decomposition of nitrous oxide over various metal oxide catalysts was investigated. The activity of nitrous oxide decomposition significantly decreased over CuO, Co3O4, NiO, Fe2O3, SnO2, In2O3 and Cr2O3 by reversible adsorption of oxygen onto the active sites. On the contrary to this, there was no or small change in the activity of TiO2, Al2O3, MgO, La2O3 and CaO. A good correlation was observed between the degree of inhibition and the heat of formation of metal oxides. On the basis of kinetic model, the reduction of catalytic activity in the presence of oxygen was rationalized with the strength of oxygen adsorption on the metal oxide surface. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1997 / 2003
页数：7
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